GM Small Block Compatible 383 c.i. Engine - 432 Horsepower - Power Adder - Short Block Plus

Overview:

BluePrint BP38321SP GM Small Block Compatible performance short block engine has been dyno tested at our factory with a Holley Classic 750cfm Carburetor and H8002K Cylinder Heads and produced 436 horsepower and 443 minimum torque. Not every BP38321SP is Dyno tested. This performance shows the capabilities of this engine. Performance may vary depending upon what cylinder heads, fuel system and intake manifold you choose. This engine features a 4-inch bore which mathematically yields a 377ci with a 3.75-inch stroke. This customizable engine comes with timing cover, harmonic balances, oil pan, hydraulic roller cam, with a 1.6-inch rocker arm, and a high-volume oil pump.

Description:

• Horsepower & Torque: 432 Horsepower / 450 ft. lbs. Torque
• Compression Ratio: 9.5:1
• BluePrint Engines Hydraulic Roller Cam
• BluePrint Engines Forged Pistons
• BluePrint Engines Forged Crank

Block:

• BluePrint Engines High Strength Cast Iron Block
• Cylinders Honed on Computer-Controlled Machine to Within .0002 Straightness and Roundness
• Cylinders are Sonic Tested for Thickness
• Align Honed Main Bearing Bore
• Passenger Side Dipstick 
• 1 Piece Rear Main Seal
• 4 Bolt Main
  
• 4.00" Bore